Sequentially compares elements in r1 and r2 in lockstep, and
stops at the first mismatch (according to pred, by default
equality). Returns a tuple with the reduced ranges that start with the
two mismatched values. Performs O(min(r1.length, r2.length))
evaluations of pred.
Sequentially compares elements in r1 and r2 in lockstep, and stops at the first mismatch (according to pred, by default equality). Returns a tuple with the reduced ranges that start with the two mismatched values. Performs O(min(r1.length, r2.length)) evaluations of pred.